Replacement of HVAC Systems at the F. Wayne Hill Water Resources Center Operations Building

The County is seeking a qualified contractor to replace the entire HVAC system in the Operations Building of the F. Wayne Hill Water Resources Center. The scope includes removal of existing air‑handling units, VAV terminal units, chilled‑water pumps, and fans; supply and installation of new AHUs, pumps, VAVs, fans, variable‑frequency drives, and an open‑protocol Niagara‑based DDC control system; provision of temporary cooling during construction; full commissioning, start‑up, testing, balancing, and on‑site training; and delivery of comprehensive operation & maintenance manuals. The project must be performed while the building remains occupied 24 × 7, requiring phased work and temporary cooling solutions. • Replace three AHUs, associated VAV boxes, two chilled‑water pumps, and fans (now explicitly included). • Install new DDC controls, VFDs, pressure sensors, and integrate with the existing Carrier i‑Vue BAS (open‑protocol). • Provide temporary cooling, commissioning, training, and O&M documentation; maintain occupancy throughout the 16‑week general‑item schedule.